Uncaught TypeError: $(...).find(...).on is not a function

[kenorb]

1. Run the module in sandbox: https://simplytest.me/project/postcodeanywhere/7.x-1.x
2. Enable: Postcode Anywhere Example module at admin/modules.
3. Go to: /eform/submit/postcode-anywhere-example
4. Type W21LG in Post code (autocomplete) field.

There is JS error in console:

Uncaught TypeError: $(...).find(...).on is not a function

It fails on $('.group-pca-autocomplete').

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